• JAMA Forum: Why Take Vitamin D Supplements if They Don’t Improve Health?

    My latest post over at the JAMA Forum:

    One of the questions I’m asked most often atThe Incidental Economist blog, on myYouTube channel, and through other means of communication is whether vitamin D supplementation is a good thing. I’m amazed at the persistence of this question, as study after study seems to show that vitamin D isn’t doing most of us much good at all.

    Come for my ranting against Vitamin D. Stay for my thoughts on how it relates to reducing health care spending.

    Go read!

    @aaronecarroll

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